<template>
  <div class="page-login">
    <div class="page-login--layer page-login--layer-area">
      <ul class="circles">
        <li v-for="n in 10" :key="n"></li>
      </ul>
    </div>
    <div
      class="page-login--layer page-login--layer-time"
      flex="main:center cross:center"
    >
      {{ time }}
    </div>

    <div class="page-login--layer">
      <div
        class="page-login--content"
        flex="dir:top main:justify cross:stretch box:justify"
      >
        <div class="page-login--content-header">
          <p class="page-login--content-header-motto"></p>
        </div>

        <div
          class="page-login--content-main"
          flex="dir:top main:center cross:center"
        >
          <!-- logo -->
          <div style="font-size: 40px; margin-bottom: 60px">
            {{$t('page.page-login.title')}}
          </div>
          <!-- <img class="page-login--logo" src="./image/logo@2x.png"> -->
          <!-- form -->
          <div class="page-login--form">
            <el-card shadow="never" v-loading="loading">
              <el-form
                ref="main-form"
                label-position="top"
                :rules="rules"
                :model="formLogin"
                size="default"
              >
                <el-form-item prop="email">
                  <el-input
                    type="text"
                    v-model="formLogin.email"
                    :placeholder="$t('page.page-login.form.email')"
                  >
                    <i slot="prepend" class="fa el-icon-house"></i>
                  </el-input>
                </el-form-item>

                <el-form-item prop="username">
                  <el-input
                    type="text"
                    v-model="formLogin.username"
                    :placeholder="$t('page.page-login.form.username')"
                  >
                    <i slot="prepend" class="fa el-icon-user"></i>
                  </el-input>
                </el-form-item>

                <el-form-item prop="password">
                  <el-input
                    type="password"
                    v-model="formLogin.password"
                    :placeholder="$t('page.page-login.form.password')"
                    @keyup.enter.native="submit"
                  >
                    <i slot="prepend" class="fa el-icon-lock"></i>
                  </el-input>
                </el-form-item>
                <el-form-item prop="code">
                  <el-input
                    type="text"
                    @keyup.enter.native="submit"
                    v-model="formLogin.code"
                    :placeholder="$t('page.page-login.form.code')"
                  >
                    <i slot="prepend" class="el-icon-key"></i>
                
                  </el-input>
                </el-form-item>
                <el-button
                  size="default"
                  @click="submit"
                  type="primary"
                  class="button-login"
                >
                  {{$t('page.page-login.button.login')}}
                </el-button>
                <el-button
                  size="default"
                  @click="toRegister"
                  type="success"
                  class="button-login button-register"
                >
                  {{$t('page.page-login.button.register')}}
                </el-button>

                <div class="card-footer" @click="retrievePassword" >
                  {{$t('page.page-login.button.retrieve-password')}}
                </div>
              </el-form>
            </el-card>
          </div>

          <div style="height: 100px"></div>
        </div>
        <div class="page-login--content-footer">
          <p class="page-login--content-footer-locales">
            <a
              v-for="language in $languages"
              :key="language.value"
              @click="onChangeLocale(language.value)"
            >
              {{ language.label }}
            </a>
          </p>
          <p class="page-login--content-footer-copyright">
            ver {{ version }} {{ build }}
          </p>
          <p class="page-login--content-footer-options"></p>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import dayjs from 'dayjs'
import { mapActions } from 'vuex'
import localeMixin from '@/locales/mixin.js'

export default {
  mixins: [
    localeMixin
  ],

  data() {
    return {
      code: "",
      refreshCode: 0,
      loading: false,

      timeInterval: null,
      time: dayjs().format('HH:mm:ss'),

      version: process.env.VUE_APP_VERSION || '发布版本号',
      build: process.env.VUE_APP_BUILD_TIME ? dayjs(process.env.VUE_APP_BUILD_TIME).format('YYYYMMDDHHmmss') : null,

      // 表单
      formLogin: {
        email: '',
        username: '',
        password: '',
        code: ''
      },

      // 表单校验
      rules: {
        email: [
          { required: true, message: this.$t('page.page-login.form-hint.email.required'), trigger: 'blur' },
        ],
        code: [
          { required: true, message: this.$t('page.page-login.form-hint.code.required'), trigger: 'blur' },
        ],
        username: [
          { required: true, message: this.$t('page.page-login.form-hint.username.required'), trigger: 'blur' },
        ],
        password: [
          { required: true, message: this.$t('page.page-login.form-hint.password.required'), trigger: 'blur' },
        ],
      }
    }
  },
  mounted() {

    this.debugField();

    this.timeInterval = setInterval(() => {
      this.refreshTime()
    }, 1000)

  },
  beforeDestroy() {
    clearInterval(this.timeInterval)
  },
  methods: {
    ...mapActions('d2admin/account', [
      'login'
    ]),
    retrievePassword(){
      this.$router.push({
        name:"retrievePassword"
      })
    },
    getCode(data) {
      console.log(data)
      this.code = data;//在data中定义一个 code:'',用来记录验证码。
    },
    toRegister() {
      this.$router.push({
        path: "/register"
      })
    },
    refreshTime() {
      this.time = dayjs().format('HH:mm:ss')
    },

    debugField() {
      if (process.env.VUE_APP_DEBUG_FORM != "true") return false;

      this.formLogin = {
        email: '',
        username: '',
        password: '',
        code:''
      };
    },

    /**
     * @description 接收选择一个用户快速登录的事件
     * @param {Object} user 用户信息
     */
    handleUserBtnClick(user) {
      this.formLogin.username = user.username
      this.formLogin.password = user.password
      this.submit()
    },

    verifyForm() {
      var bool = true;
      this.$refs['main-form'].validate((valid) => bool = valid);
      return bool;
    },
    /**
     * @description 提交表单
     */
    // 提交登录信息
    async submit() {

      if (!this.verifyForm()) return;

      this.loading = true;

      // const loading = this.$loading({
      //   lock: true,
      //   text: '正在登录',
      //   spinner: 'el-icon-loading',
      //   background: 'rgba(0, 0, 0, 0.7)'
      // });
      console.log(this.formLogin)

      try {
        var re = await this.login(Object.copy(this.formLogin));
        // 重定向对象不存在则返回顶层路径
        console.log("登录成功！", re)
        console.log(this.$route.query.redirect)
        this.$router.replace('/')
        this.$router.replace(this.$route.query.redirect || '/')
      } catch (e) { 
        console.error(err);
      } finally {
        this.loading = false;
      }


      // loading.close();

    }
  }
}
</script>

<style lang="scss">
.card-footer{
  text-align: right;
  margin-top: 20px;
  color: #409EFF;
  cursor: pointer;
}
.form-valid {
  display: flex;
  align-items: center;
}
.page-login {
  @extend %unable-select;
  $backgroundColor: #f0f2f5;
  // ---
  background-color: $backgroundColor;
  height: 100%;
  position: relative;
  // 层
  .page-login--layer {
    @extend %full;
    overflow: auto;
  }
  .page-login--layer-area {
    overflow: hidden;
  }
  // 时间
  .page-login--layer-time {
    font-size: 24em;
    font-weight: bold;
    color: rgba(0, 0, 0, 0.03);
    overflow: hidden;
  }
  // 登陆页面控件的容器
  .page-login--content {
    height: 100%;
    min-height: 500px;
  }
  // header
  .page-login--content-header {
    padding: 1em 0;
    .page-login--content-header-motto {
      margin: 0px;
      padding: 0px;
      color: $color-text-normal;
      text-align: center;
      font-size: 12px;
    }
  }
  // main
  .page-login--logo {
    width: 240px;
    margin-bottom: 2em;
    margin-top: -2em;
  }
  // 登录表单
  .page-login--form {
    width: 380px;
    // 卡片
    .el-card {
      border: none;
      margin-bottom: 15px;
    }
    // 登录按钮
    .button-login {
      width: 100%;
    }
    .button-register {
      margin-top: 20px;
      margin-left: 0px;
    }
    // 输入框左边的图表区域缩窄
    .el-input-group__prepend {
      padding: 0px 14px;
    }
    .login-code {
      height: 40px - 2px;
      display: block;
      margin: 0px -20px;
      border-top-right-radius: 2px;
      border-bottom-right-radius: 2px;
    }
    // 登陆选项
    .page-login--options {
      margin: 0px;
      padding: 0px;
      font-size: 14px;
      color: $color-primary;
      margin-bottom: 15px;
      font-weight: bold;
    }
    .page-login--quick {
      width: 100%;
    }
  }
  // 快速选择用户面板
  .page-login--quick-user {
    @extend %flex-center-col;
    padding: 10px 0px;
    border-radius: 4px;
    &:hover {
      background-color: $color-bg;
      i {
        color: $color-text-normal;
      }
      span {
        color: $color-text-normal;
      }
    }
    i {
      font-size: 36px;
      color: $color-text-sub;
    }
    span {
      font-size: 12px;
      margin-top: 10px;
      color: $color-text-sub;
    }
  }
  // footer
  .page-login--content-footer {
    padding: 1em 0;
    .page-login--content-footer-locales {
      padding: 0px;
      margin: 0px;
      margin-bottom: 15px;
      font-size: 12px;
      line-height: 12px;
      text-align: center;
      color: $color-text-normal;
      a {
        color: $color-text-normal;
        margin: 0 0.5em;
        &:hover {
          color: $color-text-main;
        }
      }
    }
    .page-login--content-footer-copyright {
      padding: 0px;
      margin: 0px;
      margin-bottom: 10px;
      font-size: 12px;
      line-height: 12px;
      text-align: center;
      color: $color-text-normal;
      a {
        color: $color-text-normal;
      }
    }
    .page-login--content-footer-options {
      padding: 0px;
      margin: 0px;
      font-size: 12px;
      line-height: 12px;
      text-align: center;
      a {
        color: $color-text-normal;
        margin: 0 1em;
      }
    }
  }
  // 背景
  .circles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0px;
    padding: 0px;
    li {
      position: absolute;
      display: block;
      list-style: none;
      width: 20px;
      height: 20px;
      background: #fff;
      animation: animate 25s linear infinite;
      bottom: -200px;
      @keyframes animate {
        0% {
          transform: translateY(0) rotate(0deg);
          opacity: 1;
          border-radius: 0;
        }
        100% {
          transform: translateY(-1000px) rotate(720deg);
          opacity: 0;
          border-radius: 50%;
        }
      }
      &:nth-child(1) {
        left: 15%;
        width: 80px;
        height: 80px;
        animation-delay: 0s;
      }
      &:nth-child(2) {
        left: 5%;
        width: 20px;
        height: 20px;
        animation-delay: 2s;
        animation-duration: 12s;
      }
      &:nth-child(3) {
        left: 70%;
        width: 20px;
        height: 20px;
        animation-delay: 4s;
      }
      &:nth-child(4) {
        left: 40%;
        width: 60px;
        height: 60px;
        animation-delay: 0s;
        animation-duration: 18s;
      }
      &:nth-child(5) {
        left: 65%;
        width: 20px;
        height: 20px;
        animation-delay: 0s;
      }
      &:nth-child(6) {
        left: 75%;
        width: 150px;
        height: 150px;
        animation-delay: 3s;
      }
      &:nth-child(7) {
        left: 35%;
        width: 200px;
        height: 200px;
        animation-delay: 7s;
      }
      &:nth-child(8) {
        left: 50%;
        width: 25px;
        height: 25px;
        animation-delay: 15s;
        animation-duration: 45s;
      }
      &:nth-child(9) {
        left: 20%;
        width: 15px;
        height: 15px;
        animation-delay: 2s;
        animation-duration: 35s;
      }
      &:nth-child(10) {
        left: 85%;
        width: 150px;
        height: 150px;
        animation-delay: 0s;
        animation-duration: 11s;
      }
    }
  }
}
</style>
